Power generator



FIG. 1 is a front view of a power generator showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

We claim the ornamental design for a power generator, as shown and described. 